Drive Train Clunking

rrs1Member

I have a clunking noise that is coming from either the ZF or the drive shafts. It happens on acceleration either from a standing start, or if coasting and then getting back on the gas. It's as if some slack is being taken up before the drive is actually put to the ground, so it's kind of a slapping/clunking sound.

It also happens to a lesser extent upon deceleration.

With the wheels off the ground, and turning one wheel back and forth I notice there is quite a bit of play/slop, maybe 1/2" before the axle flange turns. I know there is some play, but how much?

The transmission shifts fine. Is there something else that can happen inside a ZF besides shifting problems that would cause this noise?

Is there a way to know or test if the drive axles could be causing this besides looking for the "ring of death" snap rings turning into the metal? I don't know if it applies on a Pantera, but it feels like U joints are worn.

Thanks for any insight.

6/7/166:34 PM

Original Post

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